CN103238026B - Front lamp of vehicle - Google Patents

Front lamp of vehicle Download PDF

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Publication number
CN103238026B
CN103238026B CN201180058336.8A CN201180058336A CN103238026B CN 103238026 B CN103238026 B CN 103238026B CN 201180058336 A CN201180058336 A CN 201180058336A CN 103238026 B CN103238026 B CN 103238026B
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China
Prior art keywords
light
light source
optical channel
vehicle
front lamp
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Active
Application number
CN201180058336.8A
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Chinese (zh)
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CN103238026A (en
Inventor
D·弗德斯克
W·温特泽尔
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Docter Optics SE
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Docter Optics SE
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Publication of CN103238026A publication Critical patent/CN103238026A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/26—Elongated lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/27—Thick lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/30—Fog lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements

Abstract

The present invention relates to front lamp of vehicle, especially motor vehicle headlamp, comprise at least one first light source (11) and a headlamp lens, this headlamp lens comprises the unitary body of that make with transparent material, special blank compression molding.Described unitary body comprises at least one optical channel (108) and a light conduction portion (109,104), and light conduction portion has the effective light exit surface of at least one optics.Optical channel comprises the effective light incident surface of at least one light incident surface, particularly optics, and being bent to during the transition of light conduction portion, to inject or to be irradiated to light in light incident surface by the first light source be bendingly expressed as light and shade border by described.

Description

Front lamp of vehicle
Technical field
The present invention relates to front lamp of vehicle, especially motor vehicle headlamp, comprise headlamp lens, headlamp lens comprises transparent material single block, and this main body comprises at least one light entrance face and at least one (can also be understood to " effectively ") light-emitting face optically operated.
Background technology
DE20320546U1 discloses the lens of a kind of blank compression molding in both sides, the maintenance edge that it has curved surface, plane surface and is molded on the whole on rims of the lens, wherein a thickness is at least 0.2mm and is integrally formed on this maintenance edge relative to the bearing edge that described plane surface stretches out.Herein, bearing edge is formed on the excircle of headlamp lens on the whole.For example, the headlamp lens that another kind has a bearing edge is disclosed by DE102004048500A1.
DE202004005936U1 discloses a kind of lens for object of throwing light on, especially for the lens of headlight, these lens to send and by the photoimaging of reflector reflects from light source for making, to produce predetermined illumination pattern, described lens comprise two relative surfaces, wherein arrange the region of different optical dispersion effects at least on the first surface.
DE10315131A1 discloses a kind of front lamp of vehicle, comprise the light-emitting zone that at least one is wide, this light-emitting zone comprises many illumination components (diode) chip and is arranged on the optical element in the light path of the light beam sent by light-emitting zone, wherein the illumination component chip of light-emitting zone is disposed in a public depression, and this depression has an outer rim on the side in the face of light transmit direction, relative to illumination component chip, this outer rim layout spatially makes: in the light scattering of headlight, predetermined optical density gradient is formed in the region of this outer rim.
DE102004043706A1 discloses a kind of optical system for motor vehicle headlamp, for disperseing to come the Ray Of Light of self-luminous body, it is provided with the optics primary element that has optical surface, this optical surface comprises the interruption that extends along line or discontinuous, wherein this optical surface is formed to be at least level and smooth in contiguous discontinuous side, so that these light shafts are divided into two parts light shafts.Here, one of at least part of light shafts are arranged to have and are significantly limited edge.In addition, this optical system also comprises an optics secondary element, for by this obvious Restricted edge edge imaging to predetermined light dark border.
EP1357333A2 discloses a kind of light supply apparatus for car light, and it has the element launching semiconductor light, and this element is arranged on the optical axis of light supply apparatus, and substantially sends light along the orthogonal direction of optical axis.
Other illumination apparatus relevant with vehicle are open by DE4209957A1, DE4121673A1, DE4320554A1, DE19526512A1, DE102009008631A1, US5257168 and US5697690.
Summary of the invention
Specifically, an object of the present invention is to propose a kind of for front lamp of vehicle, headlamp lens in particular for the improvement of motor vehicle headlamp.Another object of the present invention reduces the cost manufacturing front lamp of vehicle.
Above-mentioned purpose is by a kind of front lamp of vehicle, especially motor vehicle headlamp realizes, it comprises at least one first light source and a headlamp lens, this headlamp lens comprises one especially by monolithic (solid) main body of the transparent material of blank compression molding, wherein this unitary body comprises at least one optical channel and a light-path section (light conductive sections), this light-path section comprises light outgoing (table) face of at least one optical manipulation, especially, wherein optical channel comprises (first) light incidence (table) face of at least one optical manipulation, and through a bending section, transition (transformation) is to light-path section, for by be forced into from the first light source or illuminated enter the light of (first) light entrance face this bending section is imaged as light dark border (light and shade border).
(also referred to as " effectively ") light entrance face of optical manipulation or (also referred to as " effectively ") light-emitting face of optical manipulation are by the surface (formation) of the optical manipulation of unitary body.For the present invention, the surface of optical manipulation refers in particular to the surface of the transparent body, and in this surface, when using headlamp lens according to its object, light can be refracted.For the present invention, the surface of optical manipulation refers in particular to a kind of like this surface, in this surface, when using headlamp lens according to its object, can be changed by the direction of the light on this surface.
For the present invention, transparent material refers in particular to glass.For the present invention, transparent material refers in particular to unorganic glass.For the present invention, transparent material refers in particular to silex glass.For the present invention, transparent material refers in particular to the glass described in document PCT/EP2008/010136.For the present invention, glass particularly including:
0.2 to 2% (by weight) Al 2o 3,
The Li of 0.1 to 1% (by weight) 2o,
0.3 (especially 0.4) is to the Sb of 1.5% (by weight) 2o 3,
The SiO of 60 to 75% (by weight) 2,
The Na of 3 to 12% (by weight) 2o,
The K of 3 to 12% (by weight) 2o, and
The CaO of 3 to 12% (by weight).
For the present invention, the compression molding of term blank especially should be understood in such a way: namely the surface of an optical manipulation is molded under stress, can be omitted any finishing of the profile on the surface of this optical manipulation or post processing subsequently, or must not implement, or need not provide.Therefore, after blank compression molding, it is particularly suitable that the surface of blank compression molding is not ground, namely it need not pass through milled processed.
For the present invention, specifically, the feature of optical channel is that total reflection occurs in its laterally (especially upper and lower, right and/or left) surface, so that the light entering light entrance face is conducted through the passage as photoconduction.For the present invention, specifically, optical channel is photoconductive tube or optical conductor.Specifically, be arranged to allow total reflection occur on longitudinal surface of optical channel.Specifically, be arranged to allow longitudinal surface of optical channel be suitable for total reflection.Specifically, be arranged to allow total reflection occur in optical channel substantially towards the surface of the optical axis direction of optical channel.Specifically, that be arranged to allow optical channel is suitable for total reflection towards the surface of the optical axis direction of optical channel substantially.For the present invention, advantageously, optical channel is tapered towards its light entrance face direction.For the present invention, advantageously, optical channel is tapered towards its light entrance face direction with the tapering of at least 3 °.For the present invention, advantageously, optical channel is tapered with the tapering of at least 3 ° along the direction towards its light entrance face relative to its optical axis.For the present invention, advantageously, optical channel is tapered along the direction towards its light entrance face at least partly.For the present invention, advantageously, optical channel is tapered along the direction towards its light entrance face with the tapering of at least 3 ° at least partly.For the present invention, advantageously, optical channel is tapered with the tapering of at least 3 ° along the direction towards its light entrance face relative to its optical axis at least partly.
For the present invention, specifically, bending section is bending changeover portion.For the present invention, specifically, bending section is the curve transition section that radius of curvature is not less than 50nm.Specifically, be arranged to allow the surface of headlamp lens not be interrupted in bending section or discontinuous, but become the shape of curve or curved surface.Specifically, be arranged to allow the surface of headlamp lens have curvature in bending section, particularly there is the radius of curvature being not less than 50nm.In a favourable embodiment, radius of curvature is not more than 5mm.In a favourable embodiment, radius of curvature is no more than 0.25mm, is specifically no more than 0.15mm, advantageously no more than 0.1mm.In another favourable embodiment of the present invention, the radius of curvature at least 0.05mm of the curve in bending section.Specifically, be arranged to allow the surface of headlamp lens be blank compression molding near bending section.
In another favourable embodiment of the present invention, (first) light source and (first) light entrance face are so arranged, and interrelated, so that the light of (first) light source is with at least 75lm/mm 2pharosage enter (first) light entrance face.
In another favourable embodiment of the present invention, optical channel is arranged between bending section and light entrance face.In another favourable embodiment of the present invention, light-path section is arranged between bending section and light-emitting face.Specifically, be arranged to allow and enter the transparent body by light entrance face and light-emitting face can be exited relative to optical axis with the angle of-20 ° to 20 ° in bending section region from the light of the optical channel section of entering through.Specifically, be arranged to allow the light entering the transparent body by light entrance face go out from light-emitting face with the angle between-20 ° to 20 ° relative to optical axis.Specifically, be arranged to allow enter the transparent body by light entrance face and be arranged essentially parallel to optical axis from the light of the optical channel section of entering through in bending section region and go out from light-emitting face.Specifically, be arranged to allow the light entering the transparent body by light entrance face be arranged essentially parallel to optical axis go out from light-emitting face.
In another favourable embodiment of the present invention, bending section comprises the subtended angle of at least 90 °.In another favourable embodiment of the present invention, bending section comprises the subtended angle of at least 150 °.In another favourable embodiment of the present invention, bending section be disposed in light-path section in the face of light entrance face surface on.
In another favourable embodiment of the present invention, the cross line of light entrance face is relative to the inclined light shaft of light-path section.In another favourable embodiment of the present invention, light entrance face relative to the optical axis of light-path section with the angular slope between 5 ° and 70 °, specifically with the angular slope between 20 ° and 50 °.
In another favourable embodiment of the present invention, optical channel comprises a region on its surface, and this region corresponds essentially to the part surface of ellipsoid.In another favourable embodiment of the present invention, optical channel comprises a region on its surface, and this region corresponds essentially to the surface of at least 15% of ellipsoid.
In another favourable embodiment of the present invention, optical channel comprises a region on its surface, the following formula of this region conforms:
0,75 · a · 1 - y 2 b 2 - z 2 c 2 ≤ x ≤ 1,25 · a · 1 - y 2 b 2 - z 2 c 2
0,75 · b · 1 - x 2 a 2 - z 2 c 2 ≤ y ≤ 1,25 · b · 1 - x 2 a 2 - z 2 c 2 ,
Wherein
Z is the coordinate on the optical axis direction of optical channel;
X is perpendicular to the coordinate of the optical axis direction of optical channel;
Y is perpendicular to the coordinate of the optical axis direction of optical channel;
A is the numeral that value is greater than 0;
B is the numeral that value is greater than 0; And
C is the numeral that value is greater than 0.
In another favourable embodiment of the present invention, the surface in the face of optical channel of light-path section is at least bent towards changeover portion near bending section, and enter optical channel, specifically, this bending section is convex.In another favourable embodiment of the present invention, bending section is bent along its extend longitudinally line.In another favourable embodiment of the present invention, bending section is bent along its extend longitudinally line, and has the radius of curvature between 5mm and 100mm.In another favourable embodiment of the present invention, bending section is bent along its extend longitudinally line according to Petzval (Petzval) curved surface (also referred to as Petzval surface).
In another favourable embodiment of the present invention, on its extend longitudinally line, bending section comprise one optical channel and/or light-path section optical axis direction on there is the curved surface of radius of curvature.In another favourable embodiment of the present invention, this radius of curvature is oriented to relative with light-emitting face.
In another favourable embodiment of the present invention, bending section is bent in a first direction and in a second direction.In another favourable embodiment of the present invention, first direction is perpendicular to second direction.In another favourable embodiment of the present invention, bending section is bent with first curvature radius in a first direction, and bend with second curvature radius in a second direction, wherein second curvature radius is positioned to perpendicular to first curvature radius.
In the embodiment that another is favourable, be configured to Petzval surface by the part surface in the face of optical channel of section.In another favourable embodiment of the present invention, entering in the region of the changeover portion of optical channel in formation in the face of the surface of optical channel of light-path section is set to Petzval surface.
In another favourable embodiment of the present invention, along optical channel and/or the optical axis direction of light-path section is seen time, the length of headlamp lens is no more than 7cm.
In another favourable embodiment of the present invention, headlamp lens or the transparent body have another light-emitting face and another light entrance face respectively.In another favourable embodiment of the present invention, enter light entrance face and have at least 20% can gone out from unitary body by another light-emitting face and gone out by light-emitting face again after entering unitary body by another light entrance face by the light that light-emitting face is gone out.In another favourable embodiment of the present invention, enter light entrance face and have 10% at least by the light that light-emitting face is gone out, particularly have at least 20% can be gone out by light-emitting face, and can not be gone out from unitary body by another light-emitting face and unitary body can not be entered by another light entrance face.In another favourable embodiment of the present invention, enter light entrance face and have at least 75 can gone out from unitary body by another light-emitting face and gone out by light-emitting face again after entering unitary body by another light entrance face by the light that light-emitting face is gone out.In another favourable embodiment of the present invention, be arranged to allow and enter the transparent body by light entrance face and go out from unitary body from the light of the optical channel section of entering through or from another light-emitting face near bending section, and enter another light entrance face of unitary body, then go out from unitary body from light-emitting face, or directly go out (not gone out from unitary body by another light-emitting face and enter another light entrance face of unitary body) from light-emitting face.
In another favourable embodiment of the present invention, the secondary optics mirror that front lamp of vehicle is not relevant with headlamp lens.For the present invention, specifically, secondary optics mirror is the optical frames for aiming at light that is that go out from light-emitting face respectively or that go out from last light-emitting face.For the present invention, specifically, secondary optics mirror is for aiming at optical element that is that separate from headlamp lens and/or that be secondary light relative to headlamp lens.For the present invention, specifically, secondary optics mirror does not have lid or screening glass but for the optical element of alignment light.The embodiment of secondary optics mirror is such as Secondary lens disclosed in DE102004043706A1.
Specifically, be arranged to allow the bending section being imaged as light dark border be positioned at the lower area of optical channel.
In another favourable embodiment of the present invention, along optical channel and/or the optical axis direction of light-path section is seen time, light source is no more than 10cm apart from the distance at the center of light-emitting face.In another favourable embodiment of the present invention, along optical channel and/or the optical axis direction of light-path section is seen time, the length of front lamp of vehicle is no more than 10cm.
In another favourable embodiment of the present invention, front lamp of vehicle is included at least one secondary light source spatially separated with the first light source, enter for making light respectively or it is irradiated to optical channel, and/or entering light-path section immediately/directly (namely especially not passing through optical channel).For the present invention, can be arranged to allow secondary light source comprise multiple part light source.In another favourable embodiment of the present invention, front lamp of vehicle is included at least one secondary light source spatially separated with the first light source, for the surface in the face of optical channel making light enter light-path section.In another favourable embodiment of the present invention, be irradiated to above light dark border and/or below by secondary light source light.
In another favourable embodiment of the present invention, secondary light source comprises the light source (this light is in the following referred to as " turning to light ") for turning to, on this top turning to light source to be arranged on the left side of the optical axis of optical channel and/or the optical axis of optical channel and/or optical channel (similarly).In another favourable embodiment of the present invention, light source is turned to be arranged between (first) light entrance face and light-path section.In another favourable embodiment of the present invention, secondary light source comprise one, especially one other turn to light source, specifically, on this top turning to light source to be disposed in the right side of the optical axis of optical channel and/or the optical axis of optical channel and/or optical channel (similarly).In another favourable embodiment of the present invention, this turns to light source to be arranged between (first) light entrance face and light-path section.
In other favourable embodiments of the present invention, secondary light source comprises at least one the part light source be arranged in above optical channel.In other favourable embodiments of the present invention, secondary light source comprise to be arranged in above optical channel, particularly spatially separated at least two part light sources.In other favourable embodiments of the present invention, secondary light source comprises at least one the part light source be arranged in below optical channel.In other favourable embodiments of the present invention, secondary light source comprise to be arranged in below optical channel, particularly spatially separated at least two part light sources.In another favourable embodiment of the present invention, one or several in part light source or light source are arranged between (first) light entrance face and light passage divide.
In favourable embodiment of the present invention, the first light source, light source and/or part light source is turned to comprise at least one LED or group LED.In favourable embodiment of the present invention, light source comprises at least one OLED or group OLED.Such as, light source can be flat luminous field.Light source also may comprise as light device chip disclosed in DE10315131A1.Light source also can be laser.Suitable laser has been disclosed in ISAL2011 and can have reported, in the 271st page and continued page.
Above-mentioned purpose is realized by a kind of front lamp of vehicle particularly comprising one or several above-mentioned features, particularly a kind of motor vehicle headlamp, wherein front lamp of vehicle comprises the headlamp lens particularly comprising one or several above-mentioned features, wherein headlamp lens comprises: the unitary body of the special transparent material with blank compression molding, this unitary body comprises the first light entrance face of optical manipulation, enters the first optical channel section for making light; Second light entrance face of at least one particularly optical manipulation, enters the second optical channel section for making light; And the light-emitting face of at least one optical manipulation, wherein unitary body comprises optical channel, first optical channel section and the second optical channel section are opened on this optical channel, wherein this optical channel is through a bending section transition (transformation) to the light-path section for this bending section being imaged as light and shade border, and front lamp of vehicle comprises for making light enter the first light source of the first light entrance face and the secondary light source for making light enter the second light entrance face.
For the present invention, can be arranged to allow light entrance face and/or light-emitting face comprise light dispersed structure.For the present invention, light dispersed structure can be such as the structure be disclosed in respectively in DE102005009556A1 and EP1514148A1 or EP1514148B1.For the present invention, can be arranged to make optical channel applied.For the present invention, can be arranged to allow optical channel be coated with reflective coating or layer.For the present invention, mirror-like reflection coating is applied on optical channel.
For the present invention, specifically, motor vehicle is special land vehicle in overland transport.For the present invention, specifically, motor vehicle is not limited to the land vehicle comprising internal combustion engine.
Accompanying drawing explanation
Other advantages and details can be obtained from the following description of the embodiment to detailed description of the invention.Here each accompanying drawing is described as follows:
Fig. 1 shows an embodiment of motor vehicle;
Fig. 2 shows the embodiment be used according to the headlamp lens in the motor vehicle of Fig. 1;
Fig. 3 shows the omission perspective view of the motor vehicle headlamp lens according to Fig. 2 seen from below;
Fig. 4 shows the enlarged drawing being transitioned into the omission cross section of the bending section by section from optical channel of the headlamp lens according to Fig. 3;
Fig. 5 shows the omission side view of the headlamp lens according to Fig. 3;
Fig. 6 shows the omission side view of the optical channel of the headlamp lens according to Fig. 3;
Fig. 7 shows the embodiment about ellipsoid;
Fig. 8 shows the ellipsoid according to Fig. 7, has superposed the cross-sectional view of a part of optical channel shown in Fig. 6;
Fig. 9 shows the side view (motor vehicle for according to Fig. 1) of the alternative of motor vehicle headlamp;
Figure 10 shows the side view (motor vehicle for according to Fig. 1) of other alternatives of motor vehicle headlamp;
Figure 11 shows the top view of the embodiment of the headlamp lens of the motor vehicle headlamp according to Figure 10;
Figure 12 shows the rearview of the headlamp lens according to Figure 11;
Figure 13 shows the light dark border by producing according to the motor vehicle headlamp of Figure 10;
Figure 14 shows the side view (motor vehicle for according to Fig. 1) of other alternatives of motor vehicle headlamp;
Figure 15 shows the top view of the headlamp lens according to Figure 14;
Figure 16 shows the rearview of the embodiment of the headlamp lens of the motor vehicle headlamp according to Figure 14;
Figure 17 shows the schematic diagram of the embodiment about two ellipsoid superpositions;
Figure 18 shows the side view of other embodiments of the motor vehicle headlamp for the motor vehicle according to Fig. 1;
Figure 19 shows the top view of the headlamp lens according to Figure 18;
Figure 20 shows the side view of other embodiments of the motor vehicle headlamp for the motor vehicle according to Fig. 1;
Figure 21 shows the omission side view of other embodiments of the motor vehicle headlamp for the motor vehicle according to Fig. 1;
Figure 22 shows the side view of other embodiments of the motor vehicle headlamp for the motor vehicle according to Fig. 1;
Figure 23 shows the view of the motor vehicle headlamp according to Figure 22 seen from behind;
Figure 24 shows the top view of other embodiments of the motor vehicle headlamp for the motor vehicle according to Fig. 1;
Figure 25 shows the light dark border by producing according to the motor vehicle headlamp of Figure 24;
Figure 26 shows another embodiment of motor vehicle;
Figure 27 shows another embodiment of motor vehicle;
Figure 28 shows the Light distribation that such as can realize with above-mentioned motor vehicle headlamp;
Figure 29 shows other Light distribation that such as can realize with above-mentioned motor vehicle headlamp.
Detailed description of the invention
Fig. 1 shows a specific embodiment of the motor vehicle 1 comprising motor vehicle headlamp 10.Fig. 2 shows the side view of the motor vehicle headlamp 10 comprising headlamp lens 100, but does not have housing, accessory and energy supply in figure, and headlamp lens 100 represents by abridged mode by bottom perspective view (seeing from below) in figure 3.Headlamp lens 100 comprises the unitary body of unorganic glass, the especially glass of blank compression molding, and it comprises
0.2 to 2% (by weight) Al 2o 3,
The Li of 0.1 to 1% (by weight) 2o,
0.3 (especially 0.4) is to the Sb of 1.5% (by weight) 2o 3,
The SiO of 60 to 75% (by weight) 2,
The Na of 3 to 12% (by weight) 2o,
The K of 3 to 12% (by weight) 2o, and
The CaO of 3 to 12% (by weight).
The unitary body of blank compression molding comprises optical channel 108, in its side, it has light entrance face 101, and at opposite side, it is transitioned into (unitary body of blank compression molding) light-path (namely conducting) section 109 through bending section 107, and section 109 comprises light-emitting face 102, light entrance face 103 and another light-emitting face 104.Headlamp lens 100 so configures, so as to enter headlamp lens 100 by light entrance face 101, the optical axis 120 that is then basically parallel to headlamp lens 100 at bending section 107 place from the light of optical channel 108 section of entering through goes out from light-emitting face 104.Here, bending section 107 is imaged as light (or light)/dark border by light-path section 109.The part surface in the face of optical channel 108 of light-path section 109 is configured to Petzval surface, and described surface portion Reference numeral 110 represents.
Motor vehicle headlamp 10 comprises the light source 11 being set to LED and the light source 12 being set to LED.In order to realize the headlight of passing beam, by light source 11, light respectively illuminated enter or make it the light entrance face 101 entering (being coupled into) optical channel 108.Light source 12 can be opened, for realizing signal lamp or distance headlamp, by light source 12, light is introduced into respectively (making it to enter or be coupled to) or be irradiated to the bottom of optical channel 108 or the surface portion 110 in the face of optical channel 108 of light-path section 109, and this part is configured to Petzval surface.
Fig. 4 is shown for making optical channel 108 transition (transformation) to province's sketch map of the bending section 107 of light-path section 109 by enlarged drawing, and bending section 107 is formed by blank compression molding, and is set to continuous bend transition.
Fig. 5 shows province's sketch map of the side view of headlamp lens 100.The amplification of a part for that Fig. 6 shows optical channel 108 until dotted line 111 in Fig. 5 economizes sketch map.The top of part optical channel is as shown in Figure 6 configured to ellipsoid 150 as shown in Figure 7.Here, dotted line 111 roughly corresponds to axis C-D.In order to understand this embodiment, a part of cross section of optical channel 108 shows by the illustrated mode of superposition (covering) ellipsoid 150 in fig. 8.For the ellipsoid 150 shown in Fig. 7, be applicable to following formula:
x 2 a 2 + y 2 b 2 + z 2 c 2 - 1 = 0
Here,
Z represents the coordinate on the optical axis direction (A → B) of optical channel;
X represents the coordinate of the optical axis direction perpendicular to optical channel; And
Y represents the coordinate of optical axis direction perpendicular to optical channel and X-direction (D → C).
A, b, therefore the selection of c is also had to make again concentrate on focal point F 2 by all light beams of focal point F 1 or ray after the reflection on show of the surface of ellipsoid.By the light beam 121 and 122 described in Fig. 6 clearly demonstrate from light source 11, respectively illuminated enter or make it the route of the light beam entering (being coupled to) light entrance face 101.The Reference numeral 120 of Fig. 6 represents the cross line of light entrance face 101.The cross line 120 of light entrance face 101 represents with Reference numeral 115 with the mutual intersection point of light beam 121 and 122.The position of this intersection point 115 corresponds to the focal point F 1 in Fig. 7 and Fig. 8.
Fig. 9 shows the side view of the motor vehicle headlamp 20 for replacing motor vehicle headlamp 10.Motor vehicle headlamp 20 comprises headlamp lens 200.Headlamp lens 200 comprises the unorganic glass main body of the monolithic of blank compression molding, this main body comprises optical channel 208, in its side, it has light entrance face 201, and at opposite side, bending section 207 transition that its process is bending on three Spatial Dimensions/be converted to (unitary body of blank compression molding) light-path or conductive sections 209, light-path section 209 comprises light-emitting face 202, light entrance face 203 and another light-emitting face 204.The shape of headlamp lens 200 is so arranged, so as to enter headlamp lens 200 by light entrance face 201, the optical axis that is then basically parallel to headlamp lens 200 at bending section 207 place from the light of optical channel 108 section of entering through goes out from light-emitting face 204.Here, bending section 207 is imaged as light dark border by light-path section 209.Light-path section 209, in the face of optical channel 208 that a part surface 210 formed Petzvals surface.
Motor vehicle headlamp 20 comprises the light source 21 being set to LED and the light source 22 being set to LED.In order to realize the headlight of passing beam, by light source 21, light respectively illuminated enter or make it the light entrance face 201 entering (being coupled into) optical channel 208.In order to realize signal light or distance headlamp, by the light source 22 can selecting to connect, light be forced into respectively or illuminated enter the part 210 of Petzval face configuration on the surface in the face of optical channel 208 of the bottom side of optical channel 208 or light-path section 209.
Figure 10 shows the side view of another motor vehicle headlamp 30 for replacing motor vehicle headlamp 10.Another motor vehicle headlamp 30 comprises headlamp lens 300.Figure 11 top view display headlamp lens 300, Figure 12 shows headlamp lens 300 from behind.Headlamp lens 300 comprises the unorganic glass main body of the monolithic of blank compression molding, this main body comprises optical channel 308, in its side, it has light entrance face 301, and at opposite side, it passes through or conductive sections 309 to (unitary body of blank compression molding) light through bending section 207 transition (transformation) bending on two Spatial Dimensions, and light-path section 209 comprises light-emitting face 302.Headlamp lens 300 is so arranged, so as to enter headlamp lens 300 by light entrance face 301, the optical axis that is then basically parallel to headlamp lens 300 at bending section 307 place from the light of optical channel 308 section of entering through goes out from light-emitting face 302.Here, bending section 307 is imaged as light dark border as shown in fig. 13 that by light-path section 309.Light-path section 309,310 be configured to Petzval surface in the face of that part surface of optical channel 308.Gear ring or edge, especially circumferential edges, can be arranged in the section 330 by the surface of section 309, and by this section 330, headlamp lens 300 can be fixed by specially suitable mode.
Motor vehicle headlamp 30 comprises the light source 31 being set to LED and the light source 32 being set to LED.In order to realize the headlight of passing beam, by light source 31, light respectively illuminated enter or make it the light entrance face 301 entering optical channel 308.In order to realize signal light or distance headlamp, by the light source 32 can selecting to connect, light be forced into respectively or illuminated enter the part 310 of Petzval face configuration on the surface in the face of optical channel 308 of the bottom side of optical channel 208 or light-path section 309.
Figure 14 side view shows another motor vehicle headlamp 40 for replacing motor vehicle headlamp 10.Motor vehicle headlamp 40 comprises headlamp lens 400.Figure 15 top view display motor vehicle headlamp 40, Figure 16 shows headlamp lens 400 from behind.Headlamp lens 400 comprises the unorganic glass main body of the monolithic of blank compression molding, this main body comprises optical channel section 408A and optical channel section 408B, they launch (open-out) in optical channel 408, then arrive (unitary body of blank compression molding) light-path section 409 through bending section 407 transition (transformation) bending on two direction in spaces, light-path section 409 comprises light-emitting face 402, light entrance face 403 and another light-emitting face 404.Optical channel section 408A comprises light entrance face 401A, and optical channel section 408B comprises light entrance face 401B.Headlamp lens 400 forms shape like this, so as to enter headlamp lens 400 by light entrance face 401A and 401B, the optical axis that is then basically parallel to headlamp lens 400 at bending section 407 place from the light of optical channel 408 section of entering through goes out from light-emitting face 404.Here, bending section 407 is imaged as light dark border by light-path section 409.Light-path section 409,410 be formed Petzval surface in the face of that part surface of optical channel 408.
At least at their upper area, the part that optical channel section 408A and 408B is configured to ellipsoid shows the explanation be similar to about Fig. 6, makes schematic representation in fig. 17.Here, Reference numeral 150A represents the ellipsoid relevant with optical channel section 408A, and Reference numeral 150B represents the ellipsoid relevant with optical channel section 408B.As shown in figure 17, ellipsoid 150A and 150B aligns mutually, so that corresponding focal point F 2 is overlapped.The point place represented with Reference numeral 151A and 151B respectively, or from 151A and 150B (respectively along optical propagation direction or to the right), the surface profile of headlamp lens 400 departs from the profile of ellipsoid.Here, angle [alpha] aand α brepresent and depart from oval direction.
Motor vehicle headlamp 40 comprises two light sources, and these two light sources are similar to the light source 11 being set to LED, and for clarity, do not depict in Figure 14 and Figure 16.For realizing the headlight of passing beam, by one of them light source, light respectively illuminated enter or make it the light entrance face 401A entering optical channel section 408A, and for realizing the headlight of passing beam, by another light source, light respectively illuminated enter or make it the light entrance face 401B entering optical channel section 408B.In addition, can also provide the light source do not shown, with regard to position and performance, it corresponds to light source 12.
In addition, in order to realize steering indicating light and/or front fog lamp (adverse-weather lamp), provide the light source 45 and 46 being set to LED, light source 45 and 46 is suitable for being access in or being connected to realize steering indicating light.Here, in motor vehicle 4, provide the control system do not shown, by it, connect controlled light source 45 when turning left, and connect light source 46 when turning right.In order to realize front fog lamp, light source 46 or two light sources 45 and 46 are all switched on.
Figure 18 and Figure 19 shows the motor vehicle headlamp lens 10A be used on motor vehicle headlamp 10.Here, Figure 18 shows the side view of motor vehicle headlamp lens 10A, and Figure 19 shows the top view of motor vehicle headlamp lens 10A.Motor vehicle headlamp lens 10A comprises headlamp lens 100 and light source 11.In addition, in order to realize turning to (or turning) lamp and/or front fog lamp, the light source 15 and 16 being set to LED is provided.In addition, light source 12 can also be arranged to be arranged in motor vehicle headlamp 10A.
In order to realize steering indicating light, light source 15 and 16 can be switched in alternation., in motor vehicle 1, provide the control system do not shown here, by it, light source 15 can be connected when turning left, and light source 16 can be connected when turning right.In order to realize front fog lamp, or only light source 16 is switched on, or light source 15 and 16 is all switched on.
Figure 20 shows the motor vehicle headlamp 10B (based on headlamp lens 100) for replacing motor vehicle headlamp 10, it is with being connected (connection) and being set to the light source 18 of LED, to realize the function of distance headlamp, also with the light source 19 being set to LED, to realize the function of signal lamp, wherein the light output of light source 18 is higher than the light output of light source 19.
Another alternate embodiment of the motor vehicle headlamp 10C of Figure 21 display based on headlamp lens 100.Here, extra light source 1001,1002,1003,1004,1005,1006 is arranged along optical channel 108.By this layout, higher light output can be reached.One or several in light source 1003,1004,1005,1006 or light source 1003,1004,1005,1006 also can be supplied to motor vehicle headlamp 10B.
Figure 22 shows another alternate embodiment of the motor vehicle headlamp 10D based on headlamp lens 100.Figure 23 shows motor vehicle headlamp 10D from behind, but does not have light source 11.Here, make the surface 110 being configured to Petzval face of light inlet passage section 109 by LED group 1010, its assembly can respectively by unit control or connection.
Figure 24 shows the top view of another embodiment of another suitable motor vehicle headlamp 30A.Motor vehicle headlamp 30A comprises the part headlight represented with Reference numeral 3001,3002,3003 and 3004, they have the headlamp lens arranging and be similar to headlamp lens 300, but each comprises the circumferential gear ring or edge 331 with differently curved setting, therefore can produce light dark border as shown in figure 25.Part headlight 3001,3002,3003 and 3004 can be arranged to have the LED group corresponding to LED group 1010.The optical axis of part headlight 3001,3002,3003 and 3004 tilts mutually a little, so that part headlight 3001 illuminates-8 ° of regions substantially, part headlight 3002 illuminates-4 ° of regions substantially, part headlight 3003 illuminates 4 ° of regions substantially, and part headlight 3004 illuminates 8 ° of regions (with reference to Figure 25) substantially.Part headlight 3001,3002,3003 and 3004 can be arranged to be mutually permanently connected in a module.Part headlight 3001,3002,3003 and 3004 can be arranged to be positioned at a public housing.The part headlight of part headlight 3001,3002,3003 and 3004 and other correspondences can also be arranged to along a geometric figure, especially round periphery.As shown in figure 26, part headlight 3001,3002,3003 and 3004 can be arranged to be positioned at motor vehicle 1A.Figure 27 shows the motor vehicle 1B of another embodiment.
Figure 28 and Figure 29 shows illumination profile, only illustrates, this distribution can realize with above-mentioned motor vehicle headlamp.Here, left region is illuminated by the motor vehicle headlamp of part headlight 3001 and 3002 position according to Figure 26, and right region is illuminated by the motor vehicle headlamp of part headlight 3003 and 3004 position according to Figure 26.In Figure 28 and Figure 29, following reference characteristic represents following (light function): AB passing beam headlight, HS focus, GBL base lighting, SL signal lamp, NL fog lamp, KL steering indicating light, FL distance headlamp.
Such as, passing beam headlight, focus and base lighting can be arranged to by light source 11 or 21 and a headlamp lens (such as headlamp lens 100 or 200) that combining realizes.But passing beam headlight, focus and base lighting can also be arranged to combine from different headlamp lens (such as headlamp lens 100 or 200) part by light source 11 or 21 and realize.Such as, fog lamp can be arranged to combine by light source 11 or 21 and another headlamp lens (such as headlamp lens 100 or 200) and realize.Such as, signal lamp is arranged to by light source 18 or 19 and realizes.Such as, distance headlamp is arranged to by light source 19 or 18 and realizes.Such as, (or turning) lamp is turned to be configured to realize by light source 15 or 16 respectively.Table below shows the embodiment (wherein "+" represents the illumination in a region) for splitting right half area:
It is simply clear to consider, the element in figure, Distance geometry angle are drawn not necessarily proportional.Such as, the order of magnitude of some elements, Distance geometry angle is exaggerated, to understand embodiments of the invention better relative to other elements, Distance geometry angle.

Claims (17)

1. front lamp of vehicle, comprise at least one the first light source and headlamp lens, this headlamp lens comprises the unitary body of transparent material, wherein this unitary body comprises at least one optical channel and light-path section, this light-path section comprises the light-emitting face of at least one optical manipulation, wherein this optical channel comprises at least one light entrance face, and be transitioned into light-path section through a bending section, so that by from the first light source illuminated enter the light of light entrance face this bending section is imaged as light and shade border, and wherein this front lamp of vehicle is included at least one secondary light source spatially separated with the first light source, this secondary light source is configured for and light shines optical channel and/or directly enter light-path section.
2. front lamp of vehicle as claimed in claim 1, is characterized in that, light to be irradiated on light dark border by secondary light source and/or under.
3. front lamp of vehicle as claimed in claim 1 or 2, it is characterized in that, secondary light source comprises steering indicating light light source.
4. front lamp of vehicle as claimed in claim 3, it is characterized in that, steering indicating light light source is disposed in the top of the left side of the optical axis of optical channel and/or the optical axis of optical channel.
5. front lamp of vehicle as claimed in claim 4, it is characterized in that, secondary light source comprises another steering indicating light light source, and this steering indicating light light source arrangement is above the right side of the optical axis of optical channel and/or the optical axis of optical channel.
6. as right wants the front lamp of vehicle as described in 3, it is characterized in that, secondary light source comprises another steering indicating light light source, and it arranges the right side of optical axis of optical channel and/or the top of the optical axis of optical channel.
7. front lamp of vehicle as claimed in claim 1, it is characterized in that, secondary light source comprises at least one the part light source be arranged in above optical channel.
8. front lamp of vehicle as claimed in claim 1, is characterized in that, secondary light source comprises and being particularly spatially separated from each other and at least two the part light sources be arranged in above optical channel.
9. the front lamp of vehicle as described in claim 1 or 7, is characterized in that, secondary light source comprises at least one the part light source be arranged in below optical channel.
10. the front lamp of vehicle as described in claim 1 or 7, is characterized in that, secondary light source is included in and is spatially separated from each other and at least two the part light sources be arranged in below optical channel.
11. front lamp of vehicle as claimed in claim 7, it is characterized in that, part light source arrangement is between light entrance face and light-path section.
12. front lamp of vehicle as claimed in claim 9, it is characterized in that, part light source arrangement is between light entrance face and light-path section.
13. front lamp of vehicle as claimed in claim 8, it is characterized in that, one or more part light source arrangement is between light entrance face and light-path section.
14. front lamp of vehicle as claimed in claim 10, it is characterized in that, one or more part light source arrangement is between light entrance face and light-path section.
15. front lamp of vehicle as claimed in claim 1, it is characterized in that, described front lamp of vehicle is motor vehicle headlamp.
16. front lamp of vehicle, comprise at least one the first light source and headlamp lens, this headlamp lens comprises the unitary body of transparent material, wherein this unitary body comprises at least one optical channel and light-path section, this light-path section comprises the light-emitting face of at least one optical manipulation, wherein this optical channel comprises at least one light entrance face, and be transitioned into light-path section through a bending section, this bending section is imaged as light and shade border by the light entering light entrance face from the first light source irradiation, and wherein this front lamp of vehicle is included at least one secondary light source spatially separated with the first light source, this secondary light source be configured for by light-illuminating to light-path section in the face of optical channel surface in.
17. front lamp of vehicle as claimed in claim 16, it is characterized in that, described front lamp of vehicle is motor vehicle headlamp.
CN201180058336.8A 2010-12-03 2011-11-11 Front lamp of vehicle Active CN103238026B (en)

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DE102011107058 2011-07-11
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CN201180058318.XA Active CN103328883B (en) 2010-12-03 2011-11-11 For the headlamp lens of front lamp of vehicle
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